Home / 1,732.76-2,391.16-946.80

Finding the Fourth Proportional to 1,732.76, 2,391.16 and 946.80

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Solution

The fourth proportional to 1,732.76, 2,391.16 and 946.80 is: 1,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.76 : 2,391.16 = 946.80 : x
  2. Step 2: Convert to fraction form
    1,732.76/2,391.16 = 946.80/x
  3. Step 3: Cross multiply
    1,732.76x = 2,391.16 × 946.80
  4. Step 4: Simplify right side
    1,732.76x = 2,263,950.29
  5. Step 5: Solve for x
    x = 2,263,950.29/1,732.76
  6. Step 6: Final answer
    x = 1,306.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.